Bailer for oil or artesian wells



(No Model.) I

W. PLOTTS.

BAILER FOR OIL 0R ARTESIAN' WELLS. I No. 532,815. I Patented Jan. 22,1895.

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-'WILLIAM PLOTTS, OF MCDONALD, PENNSYLVANIA.

BAILER FOR OIL OR ARTESIAN WELLS.

SPECIFICATION forming part of Letters Patent No. 532,815, dated January22, 1895.

Application filed April 24, 1 894.

To all whom it may concern.-

Be it known that I, WILLIAM PLOTTS, a resident of McDonald, in thecounty of Washington and State of Pennsylvania, have invented a new anduseful Improvement in Bailers for Oil or Artesian Wells; and I do herebyde-. clare the following to be a full, clear, and exact descriptionthereof.

My invention relates to bailers for use in connection with the drillingof wells, prospecting for minerals, hydrographic operations, or otherpurposes for which such a device may be found applicable.

The object of my invention is to make certain improvements on a deviceset forth in Letters Patent of the United States granted to me on April25, 1893, No. 496,323.

To enable others skilled in the art to make and use my invention, I willdescribe the same more fully, referring to the accompanying drawings, inwhich Figure 1 is a side elevation of my improved bailer. Fig. 2 is alike view taken at right angles to that shown in 'Fig. 1. Fig. 3 is avertical section on the line 44 Fig. 2. Fig. 4 is a modified form of myinvention.

Like letters indicate like parts in each of the figures.

The pin-substitute a is similar to the one illustrated in the LettersPatent hereinbefore mentioned, but any suitable form of a pinsubstitutemay be employed.

As myinvention relates to the bailer bottom it is not deemed necessaryto refer more particularly to the pin-substitute.

The pipe I) which forms the shell of the bailer is connected to thepin-substitute a by means of the collar 0. The bottom at of the baileris provided with the threaded end 6 by which it is secured to the pipeb. The bottom d is formed with the recessed portion f, and in saidrecessed portion is the opening g leading into the interior of saidbottom. At the sides of the opening g are the guides h, and fittingwithin said guides and vertically movable therein is the valve 1'.Extending from the valve 2' are the guide-rods 70, said guiderods ispassing down through the lugs Z on the bottom d, and free to slide insaid lugs. Secured to said guide-rods k is the weight m. A shoulder atis formed on the weight m by means of a ring 0 secured to said weight.In-

Serial No. 508,802. (No model.)

terposed between said shoulder n and the lower face of the bottom cl isthe spring 12, said spring, together with the weight m, acting to drawthe valvet' normally over the opening 9 to close same.

In Fig. 4 I have illustrated my invention in another form, in which thespring p is arranged above the opening g and is interposed.

' The weight of the column of fluid in the well will force the sedimentinto the shell. When the bailer is raised the combined action of theweight m and spring 19 will immediately cause the valve i to descend andclose the opening g. By this construction the closing of the valve isalways assured when the bailer is raised, while upon its descent intothe well the same assurance is given that the valve will remain closeduntil the bailer strikes the bottom of the well.

While I have described my invention and illustrated it as applicable tooil and like wells, yet it is to be understood that its form may bevaried to suit other purposes, such as prospecting for minerals,hydrographic operations, &c.

What I claim as my invention, and desire to secure by Letters Patent,is-

l. A bailer having an opening formed therein and guides on the outerface of said bailer at each side of said opening, a sliding valveengaging with said guides and controlling said opening,and a springinterposed between an abutment on said bailer and a shoulder on saidvalve, substantially as and for the purposes set forth.

2. A bailer having an opening formed therein and guides on each sidethereof, a sliding valve engaging therewith, a rod on said valve passingthrough a suitable guide on said bailer, and a spring interposed betweenan abutment on said bailer and a shoulder at the end of said rod,substantially as and for the purposes set forth.

3. A baiier having an opening formed therein and guides on each sidethereof, a sliding Valve engaging therewith, a rod on said Valve passingthrough a suitable guide on said bailer, a weight on the end of saidrod, and a spring interposed between an abutment on said bailer and aring secured to said weight, substantially as and for the purposes setforth.

4. A bailer having an opening therein and guides on the outer face ofsaid bailer at each side of said opening, and a sliding weighted valveengaging with said guides, substantially 1 5 as and for the purposes setforth.

In testimony whereof I, the said VILLIAM PLOTTs, have hereunto set myhand.

' WILLIAM PLOTTS.

Witnesses: ROBERT C. TOTTEN,

RoBT. D. TOTTEN.

